Home / 43,916.85-65,877.09-12,752.10

Finding the Fourth Proportional to 43,916.85, 65,877.09 and 12,752.10

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Solution

The fourth proportional to 43,916.85, 65,877.09 and 12,752.10 is: 19,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,916.85 : 65,877.09 = 12,752.10 : x
  2. Step 2: Convert to fraction form
    43,916.85/65,877.09 = 12,752.10/x
  3. Step 3: Cross multiply
    43,916.85x = 65,877.09 × 12,752.10
  4. Step 4: Simplify right side
    43,916.85x = 840,070,910.00
  5. Step 5: Solve for x
    x = 840,070,910.00/43,916.85
  6. Step 6: Final answer
    x = 19,128.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.